Service Manual

43
Disassembly/Inspection and Service
66 690 01 Rev. C KohlerEngines.com
Remove Starter and Adapter Plate
1. Disconnect leads attached to starter solenoid
terminals.
2. Remove screws securing starter to adapter plate.
3. Remove screws attaching adapter to crankcase.
Note orientation of cutout. Upper screw may also
secure a clamp for stator leads.
Drain Coolant from Cooling System
Coolant Drain Plug Details
A
A
A Coolant Drain Plug
1. Loosen radiator cap, then loosen radiator drain plug
and allow system to drain. Use a suitable container
to catch coolant.
2. If equipped, remove coolant drain plugs on each
side of block. Allow any remaining coolant to drain
out. Dispose of coolant properly, according to local
regulations.
Drain Oil from Crankcase and Remove Oil Filter
Oil Filter Details
B
A
A Oil Filter Nipple B Oil Filter
1. Remove oil fi ll cap and dipstick, and one or both
drain plugs. Allow suffi cient time for oil to drain out.
2. Remove and discard oil fi lter.
External Engine Components
B
C
A
A Radiator Assembly B Mounting Bracket
C Air Cleaner Assembly
Remove Flywheel Cover, Radiator Assembly,
Mounting Brackets and Attached Components
NOTE: Do not allow cooling fi ns of radiator to contact
fan blades.
1. Remove screws or nuts and fl at washers (2 on each
side) securing lower fl ywheel cover to LH and RH
radiator support brackets. Mounting plate for
rectifi er-regulator will become detached when LH
screws are removed. Do not lose small spacers
located within holes of lower cover. Clips are used
on some models instead of nuts.
2. If a pulse style fuel pump is used, disconnect fuel
line from pump outlet, and disconnect pulse line from
fuel pump fi tting.
3. Disconnect upper radiator hose from radiator, and
lower radiator hose from inlet of water pump.
4. Remove screws securing two upper radiator
supports to air cleaner mounting bracket.
5. Carefully tilt (pull) radiator forward slightly to clear
fan and lift complete assembly out of lower mounting
bracket.
6. Disconnect connector plug from rectifi er-regulator
and remove mounting plate, with rectifi er-regulator
attached.